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Much of the discussion regarding future measurements of the Higgs boson mass and self-coupling is focussed on how well various collider options can do. In this article we ask a physics-based question of how well do we need colliders to…

High Energy Physics - Phenomenology · Physics 2013-10-30 Rick S. Gupta , Heidi Rzehak , James D. Wells

Measuring the shape of the Higgs boson potential is of paramount importance and will be a challenging task at current as well as future colliders. While the expectations for the measurement of the trilinear Higgs self-coupling are rather…

High Energy Physics - Phenomenology · Physics 2020-09-24 Mauro Chiesa , Fabio Maltoni , Luca Mantani , Barbara Mele , Fulvio Piccinini , Xiaoran Zhao

The effective coupling of the Higgs boson to gluons determines the production rate of the Higgs boson at the LHC and plays a crucial role to measure the Higgs properties. In this paper, we propose a novel method to extract the Higgs gluon…

High Energy Physics - Phenomenology · Physics 2023-08-24 Xiao-Rui Wang , Bin Yan

The currently unmeasured triple Higgs coupling is one of the strong motivations for future physics programs at the LHC and beyond. A sufficiently precise measurement can lead to qualitative changes in our understanding of electroweak…

High Energy Physics - Phenomenology · Physics 2020-05-25 Samuel Homiller , Patrick Meade

Despite the discovery of a Higgs boson h(125GeV) at the LHC Run-1, its self-interaction has fully evaded direct experimental probe so far. Such self-interaction is vital for electroweak symmetry breaking, vacuum stability and electroweak…

High Energy Physics - Phenomenology · Physics 2016-01-08 Hong-Jian He , Jing Ren , Weiming Yao

The measurement of the trilinear and quartic Higgs self-couplings is necessary for the reconstruction of the Higgs potential. This way the Higgs mechanism as the origin of electroweak symmetry breaking can be tested. The couplings are…

High Energy Physics - Phenomenology · Physics 2015-03-17 Ramona Grober , Margarete Muhlleitner

The Higgs mechanism is essential for the success of the Standard Model (SM) and can be experimentally verified with the determination of the Higgs self-coupling. As the simplest model of a Higgs potential, the SM provides a clear prediction…

High Energy Physics - Experiment · Physics 2026-03-23 Mikael Berggren , Bryan Bliewert , Jenny List , Dimitris Ntounis , Taikan Suehara , Junping Tian , Julie Munch Torndal , Caterina Vernieri

We assess the possibility of measuring the trilinear self-coupling of the Standard Model Higgs boson at future electron-positron linear colliders with centre-of-mass energies between 500 and 1500 GeV. We consider rather light Higgs scalars,…

High Energy Physics - Phenomenology · Physics 2009-04-13 D. J. Miller , S. Moretti

The measured properties of the recently discovered Higgs boson are in good agreement with predictions from the Standard Model. However, small deviations in the Higgs couplings may manifest themselves once the currently large uncertainties…

High Energy Physics - Phenomenology · Physics 2014-09-10 C. Englert , A. Freitas , M. Muhlleitner , T. Plehn , M. Rauch , M. Spira , K. Walz

Measuring the Higgs boson couplings as precisely as possible is one of the major goals of the High Luminosity LHC. We show that the $(b\bar{b})(b\bar{b})$ final state in Higgs boson pair production can be exploited in the boosted regime to…

High Energy Physics - Phenomenology · Physics 2014-08-14 Danilo Enoque Ferreira de Lima , Andreas Papaefstathiou , Michael Spannowsky

We consider the ratio of cross sections of double-to-single Higgs boson production at the Large Hadron Collider at 14 TeV. Since both processes possess similar higher-order corrections, leading to a cancellation of uncertainties in the…

High Energy Physics - Phenomenology · Physics 2013-11-20 Florian Goertz , Andreas Papaefstathiou , Li Lin Yang , José Zurita

Although the Higgs boson has been discovered, its self-couplings are poorly constrained. This leaves the nature of the Higgs boson undetermined. Motivated by different Higgs potential scenarios other than the Landau-Ginzburg type in the…

High Energy Physics - Phenomenology · Physics 2020-04-22 Pankaj Agrawal , Debashis Saha , Ling-Xiao Xu , Jiang-Hao Yu , C. -P. Yuan

We present a feasibility study of observing $HH\rightarrow b\bar b\gamma\gamma$ at the future hadron colliders with $\sqrt{s}=$14, 33, and 100 TeV. The measured cross section then can be used to constrain the Higgs self-coupling directly in…

High Energy Physics - Phenomenology · Physics 2013-09-13 Weiming Yao

The determination of the Higgs self-coupling in the Standard Model is one of the primary motivations among all the future lepton colliders. Extending the scalar sector of the Standard Model by a new Higgs doublet with a quadratic Higgs…

High Energy Physics - Phenomenology · Physics 2018-11-14 Nasuf Sonmez

The Higgs self-coupling is notoriously intangible at the LHC. It was recently proposed to probe the trilinear Higgs interaction through its radiative corrections to single-Higgs processes. This approach however requires to disentangle these…

High Energy Physics - Phenomenology · Physics 2017-09-22 Stefano Di Vita , Christophe Grojean , Giuliano Panico , Marc Riembau , Thibaud Vantalon

The Higgs sector of particle physics is still largely uncovered, where establishing the Higgs mechanism is central to advance the field. The Higgs self-coupling is the key ingredient missing and an important puzzle piece for potentially…

High Energy Physics - Phenomenology · Physics 2023-08-01 Julie Munch Torndal , Jenny List

Measurement of the self coupling of 125 GeV Higgs boson is one of the most crucial tasks for high luminosity run of the LHC and it can only be measured in the di-Higgs final state. In the minimal supersymmetric standard model, heavy CP even…

High Energy Physics - Phenomenology · Physics 2015-04-29 Biplob Bhattacherjee , Arghya Choudhury

We investigate inclusive Standard Model Higgs boson pair production at lepton and hadron colliders for Higgs boson masses in the range 120 GeV < m_H < 200 GeV. For m_H < 140 GeV we find that hadron colliders have a very limited capability…

High Energy Physics - Phenomenology · Physics 2014-11-17 U. Baur , T. Plehn , D. Rainwater

One of the main objectives of almost all future (lepton) colliders is to measure the self-coupling of triple Higgs in the Standard Model. By elongating the Standard Model's scalar sector, using incipient Higgs doublet along with a quadratic…

High Energy Physics - Phenomenology · Physics 2021-10-11 Ijaz Ahmed , Ujala Nawaz , Taimoor Khurshid , Shamona Fawad Qazi

The quartic Higgs self-coupling is the final measurement in the Higgs potential needed to fully understand electroweak symmetry breaking. None of the present or future colliders are known to be able to determine this parameter. We study the…

High Energy Physics - Phenomenology · Physics 2009-11-11 Tilman Plehn , Michael Rauch